313413440221 has 8 divisors (see below), whose sum is σ = 358191961920. Its totient is φ = 268636211808.

The previous prime is 313413440191. The next prime is 313413440227. The reversal of 313413440221 is 122044314313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313413440221 - 2³⁵ = 279053701853 is a prime.

It is a super-2 number, since 2×313413440221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313413440221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313413440227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268110 + ... + 835888.

It is an arithmetic number, because the mean of its divisors is an integer number (44773995240).

Almost surely, 2^313413440221 is an apocalyptic number.

It is an amenable number.

313413440221 is a deficient number, since it is larger than the sum of its proper divisors (44778521699).

313413440221 is an equidigital number, since it uses as much as digits as its factorization.

313413440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646643.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 313413440221 its reverse (122044314313), we get a palindrome (435457754534).

The spelling of 313413440221 in words is "three hundred thirteen billion, four hundred thirteen million, four hundred forty thousand, two hundred twenty-one".